Collectible coins encompass a wide range of numismatic items, including historical, commemorative, and foreign coins. In the United States, collectible coins such as early state coinages pre-dating 1776 reflect the colonial economy and history, with notable examples like the 1659 New Jersey 'Pine Tree' coinage. The 1p One Penny coin from the United Kingdom, though not a U.S. coin, is also sought after by collectors for its historical significance. Collectors often focus on factors like rarity, condition, and historical context when acquiring these coins.